The lyrics speak of "static" and "cutting the cord." On piano, the sustain pedal creates literal static between notes. Playing this piece is an exercise in controlled chaos. The 2021 transcriptions likely improved upon older versions by correctly notating the polyrhythms found in the bridge, a detail earlier tabs often got wrong.
While they do not always carry indie Canadian deep cuts, in 2021 Hal Leonard expanded their "Pop & Rock Library" to include cult classics. Search their archive for "Alexisonfire – Happiness by the Kilowatt (Piano/Vocal/Guitar)." This is the most reliable source for a print-ready physical sheet. happiness by the kilowatt piano sheet musiciso 2021
If you find a file labeled "Happiness by the Kilowatt piano sheet musiciso 2021" on a torrent or file-sharing forum, you need to verify its quality before wasting ink. Check for these three markers: The lyrics speak of "static" and "cutting the cord